Search Results - "Lu, Weitao"

A High-Accuracy, High Anti-Noise, Unbiased Frequency Estimator Based on Three CZT Coefficients for Deep Space Exploration Mission by Lu, Weitao, Chen, Lue, Wang, Zhen, Cao, Jianfeng, Ren, Tianpeng

“…Deep space exploration navigation requires high accuracy of the Doppler measurement, which is equivalent to a frequency estimation problem. Because of the…”
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Research and Verification of a Novel Interferometry Method by Joint Processing of Downlink Pseudo-Noise Ranging and DOR Signals for Deep Space Exploration by Lu, Weitao, Fan, Min, Chen, Lue, Xu, Dezhen, Zhang, Yujia, Ren, Tianpeng

“…The remarkably long distances covered by deep space probes result in extremely weak downlink signals, which poses great challenges for ground measurement…”
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The Expression of Antibacterial Peptide Turgencin A in Pichia pastoris and an Analysis of Its Antibacterial Activity by Dong, Chunming, Li, Mengru, Zhang, Rui, Lu, Weitao, Xu, Lijun, Liu, Jian, Chu, Xinlei

“…Antibiotic resistance to pathogenic bacteria is becoming an increasing public health threat, and identifying alternatives to antibiotics would be an effective…”
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Lightning attachment process involving connection of the downward negative leader to the lateral surface of the upward connecting leader by Lu, Weitao, Chen, Luwen, Ma, Ying, Rakov, V. A., Gao, Yan, Zhang, Yang, Yin, Qiyuan, Zhang, Yijun

“…High‐speed video camera records, with a temporal resolution of 20 µs and a spatial resolution of 2.4 m per pixel, of a downward negative lightning flash that…”
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High-speed video observations of the fine structure of a natural negative stepped leader at close distance by Qi, Qi, Lu, Weitao, Ma, Ying, Chen, Luwen, Zhang, Yijun, Rakov, Vladimir A.

“…We present new high-speed video observations of a natural downward negative lightning flash that occurred at a close distance of 350m. The stepped leader of…”
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Optical progression characteristics of an interesting natural downward bipolar lightning flash by Chen, Luwen, Lu, Weitao, Zhang, Yijun, Wang, Daohong

“…Using high‐speed cameras, Lightning Attachment Process Observation Systems, and fast and slow electrical antennas, we documented a downward bipolar lightning…”
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Antibacterial peptide PMAP-37(F34-R), expressed in Pichia pastoris, is effective against pathogenic bacteria and preserves plums by Dong, Chunming, Xu, Lijun, Lu, Weitao, Li, Mengru, Zhang, Rui, Sun, Yanyan, Liu, Jian, Chu, Xinlei

“…Recently, researchers have focused on the search for alternatives to conventional antibiotics. Antimicrobial peptides are small bioactive peptides that…”
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Characteristics of unconnected upward leaders initiated from tall structures observed in Guangzhou by Lu, Weitao, Chen, Luwen, Zhang, Yang, Ma, Ying, Gao, Yan, Yin, Qiyuan, Chen, Shaodong, Huang, Zhihui, Zhang, Yijun

“…Forty‐five unconnected upward leaders (UULs) occurred in 19 downward negative flashes are analyzed. Each observed UUL is initiated by a downward stepped leader…”
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Numerical Simulation of Folding Tail Aeroelasticity Based on the CFD/CSD Coupling Method by Zhou, Di, Lu, Weitao, Wu, Jiangpeng, Guo, Tongqing, Lv, Binbin, Guo, Hongtao, Xia, Hongya

“…This paper presents a CFD/CSD coupling method for aeroelastic simulation of folding tail morphing aircraft. The unsteady aerodynamic analysis is based on an…”
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Experiments of artificially triggered lightning and its application in Conghua, Guangdong, China by Zhang, Yijun, Yang, Shaojie, Lu, Weitao, Zheng, Dong, Dong, Wansheng, Li, Bin, Chen, Shaodong, Zhang, Yang, Chen, Luwen

“…The Guangdong Comprehensive Observation Experiment on Lightning Discharge (GCOELD) was conducted from 2006 to 2011 in Conghua, Guangdong, China. In GCOELD, the…”
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Controllable Valley Polarization Using Silicene Double Line Defects Due to Rashba Spin-Orbit Coupling by Tian, Hongyu, Ren, ChongDan, Zhou, Benhu, Zhang, Shaoyin, Lu, Weitao, Li, Yunfang, Liu, Jing

“…We theoretically investigate the valley polarization in silicene with two parallel line defects due to Rashba spin-orbit coupling (RSOC). It is found that as…”
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Retrieving Doppler Frequency via Local Correlation Method of Segmented Modeling by Chen, Lue, Ping, Jinsong, Cao, Jianfeng, Liu, Xiang, Wang, Na, Wang, Zhen, Zhu, Ping, Wang, Mei, Man, Haijun, Fan, Fei, Lu, Weitao, Sun, Jing, Han, Songtao

“…The high accuracy radio Doppler frequency is critical for navigating a deep space probe and for planetary radio science experiments. In this paper, we propose…”
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Three-dimensional propagation characteristics of the upward connecting leaders in six negative tall-object flashes in Guangzhou by Gao, Yan, Lu, Weitao, Ma, Ying, Chen, Luwen, Zhang, Yang, Yan, Xu, Zhang, Yijun

“…Six downward negative flashes terminated on tall structures in Guangzhou are analyzed. The three-dimensional (3-D) lightning channels are reconstructed from…”
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Method and Application of High-Precision Open-Loop Velocity Measurement of Tianwen-1 Probe by Chen, Lue, Li, Haitao, Fan, Fei, Man, Haijun, Kong, Jing, Han, Qianqian, Han, Songtao, Lu, Weitao, Wang, Mei, Ping, Jinsong

“…In view of the requirements of Tianwen-1 missions on precision orbit determination and scientific application, this paper proposes a high-precision open-loop…”
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Single-parameter quantum valley pumping in graphene with topological line defect by Ren, Chongdan, Zhou, Benhu, Lu, Weitao, Gu, Yu, Tian, Hongyu

“…•We propose a platform of quantum valley pumping in graphene with a topological line defect.•The valley pumping currents appear only at large scattering…”
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Correlation analysis between the channel current and luminosity of initial continuous and continuing current processes in an artificially triggered lightning flash by Zhou, Enwei, Lu, Weitao, Zhang, Yang, Zhu, Baoyou, Zheng, Dong, Zhang, Yijun

“…Using simultaneous high-speed camera records and channel-base current records in an artificially triggered negative lightning event, the correlation between…”
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Thin Cloud Detection of All-Sky Images Using Markov Random Fields by Qingyong Li, Weitao Lu, Jun Yang, Wang, J. Z.

“…Thin cloud detection for all-sky images is a challenge in ground-based sky-imaging systems because of low contrast and vague boundaries between cloud and sky…”
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A Vision-Based Precipitation Sensor for Detection and Classification of Hydrometeors by Ma, Ying, Ding, Pengli, Li, Qingyong, Lu, Weitao, Yang, Jun, Yao, Wen

“…Measuring precipitation is an important part of ground observations of the Earth's atmosphere. Existing systems for this task focus mainly on the hydrometeors'…”
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Analysis and comparison of initial breakdown pulses for positive cloud-to-ground flashes observed in Beijing and Guangzhou by Zhang, Yang, Zhang, YiJun, Lu, WeiTao, Zheng, Dong

“…In order to further understand the initiating mechanism of positive cloud-to-ground flashes, the characteristics of initial breakdown pulse trains are…”
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A Review of Atmospheric Electricity Research in China by Qie, Xiushu, Zhang, Yijun, Yuan, Tie, Zhang, Qilin, Zhang, Tinglong, Zhu, Baoyou, Lu, Weitao, Ma, Ming, Yang, Jing, Zhou, Yunjun, Feng, Guili

“…The importance of atmospheric electricity research has been increasingly recognized in recent decades. Research on atmospheric electricity has been actively…”
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